Global Patent Index - EP 1091825 A1

EP 1091825 A1 20010418 - APPARATUS FOR FRICTION STIR WELDING

Title (en)

APPARATUS FOR FRICTION STIR WELDING

Title (de)

VORRICHTUNG ZUM REIBSCHWEISSEN

Title (fr)

DISPOSITIF DE SOUDAGE PAR FRICTION A MOUVEMENT CYCLIQUE

Publication

EP 1091825 A1 20010418 (EN)

Application

EP 98964644 A 19981218

Priority

  • SE 9802390 W 19981218
  • SE 9704800 A 19971219

Abstract (en)

[origin: WO9934951A1] The invention concerns an apparatus for friction stir welding, comprising a welding unit (6) including a welding head (13), a worktable (4) including a backing unit (8) to support the workpieces (2, 3) to be welded together along their joint line, and clamping means (21, 22) to clamp the workpieces to the worktable in a direction towards one another during the welding operation. The backing unit consists of at least two backing parts (8a, 8b, 8c; 28a, 28b) or of at least one backing part (8a, 8b, 8c; 28a, 28b) and one additional welding head (30; 32), said backing parts being freely exchangeable, one for the other, before each welding operation as is also each backing part for an additional welding head, and vice versa.

IPC 1-7

B23K 37/04; B23K 20/12

IPC 8 full level

B23K 20/12 (2006.01)

CPC (source: EP US)

B23K 20/126 (2013.01 - EP US)

Citation (search report)

See references of WO 9934951A1

Designated contracting state (EPC)

BE CH DE FI FR GB IT LI NL SE

DOCDB simple family (publication)

WO 9934951 A1 19990715; AU 1992199 A 19990726; DE 69838760 D1 20080103; DE 69838760 T2 20081030; EP 1091825 A1 20010418; EP 1091825 B1 20071121; NO 20003062 D0 20000615; NO 20003062 L 20000817; NO 330040 B1 20110207; SE 9704800 D0 19971219; US 6419142 B1 20020716

DOCDB simple family (application)

SE 9802390 W 19981218; AU 1992199 A 19981218; DE 69838760 T 19981218; EP 98964644 A 19981218; NO 20003062 A 20000615; SE 9704800 A 19971219; US 58200500 A 20000830